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Covestro Makroblend® UT-640 G Polycarbonate + Polyester Blend  (discontinued **)
Categories: Polymer; Thermoplastic; Polycarbonate (PC); Polyester, TP
Material Notes: Key Features:
  • Contains Filler
  • High impact or high impact modified
  • Light stabilized or stable to light

Suitable processing methods:

  • Injection molding

Information provided by Bayer Polymers.

As of 1 September 2015, Bayer MaterialScience was separated from Bayer AG and officially adopted its new name – Covestro.
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Density 1.37 g/cc0.0495 lb/in³
Water Absorption 0.23 %0.23 %
Moisture Absorption at Equilibrium 0.080 %0.080 %23°C/50% R.H.
Melt Flow 12 g/10 min
@Load 5.00 kg,
Temperature 265 °C		12 g/10 min
@Load 11.0 lb,
Temperature 509 °F		cm³/10 min.
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Yield 90.0 MPa13100 psi
Elongation at Break 5.0 %5.0 %Nominal
Elongation at Yield 5.0 %5.0 %
Tensile Modulus 3.90 GPa566 ksi
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity >= 1.00e+13 ohm-cm>= 1.00e+13 ohm-cm
Dielectric Constant  3.3
@Frequency 100 Hz		3.3
@Frequency 100 Hz
 3.3
@Frequency 1e+6 Hz		3.3
@Frequency 1e+6 Hz
Dielectric Strength 28.0 kV/mm711 kV/in
Dissipation Factor 0.00090
@Frequency 1e+6 Hz		0.00090
@Frequency 1e+6 Hz
Comparative Tracking Index 175 V175 V
 
Thermal PropertiesMetricEnglishComments
CTE, linear, Parallel to Flow 40.0 µm/m-°C
@Temperature 20.0 °C		22.2 µin/in-°F
@Temperature 68.0 °F
CTE, linear, Transverse to Flow 40.0 µm/m-°C
@Temperature 20.0 °C		22.2 µin/in-°F
@Temperature 68.0 °F
Deflection Temperature at 0.46 MPa (66 psi) 179 °C354 °F
Deflection Temperature at 1.8 MPa (264 psi) 122 °C252 °F
Flammability, UL94  HB
@Thickness 1.50 mm		HB
@Thickness 0.0591 in		UL Recognized
 HB
@Thickness 3.00 mm		HB
@Thickness 0.118 in		UL Recognized
 
Processing PropertiesMetricEnglishComments
Melt Temperature 270 °C518 °FInjection Molding
Mold Temperature 82.0 °C180 °FInjection Molding
Injection Pressure 60.0 MPa8700 psi

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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PB10225 / 26263

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